Specification of Charles Jones
Subtitle: treating sewage
Publisher: Great Seal Patent Office
Published: 1869
Place of publication: London
Language: eng
Subjects: Sewage; Deodorization; Disinfection and disinfectants; Sewage disposal plants
Notes: Cover title.

At head of title: A.D. 1868, 13th November. No.3457.

"Charles Jones, of Ealing, in the county of Middlesex, surveyor".